Steel bar bending device

By designing a steel bar bending device including conveying, positioning, cutting and bending mechanisms, the problems of multi-section bending and unloading of steel bars in the prior art are solved, and efficient multi-section bending and automatic unloading of steel bars are realized.

CN222856563UActive Publication Date: 2025-05-13LANZHOU MUNICIPAL CONSTR GRP CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421754184.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-24
Publication Date
2025-05-13
Estimated Expiration
2034-07-24

AI Technical Summary

Technical Problem

The existing reinforcement bending machines have inconveniences during multi-stage bending and unloading, especially when manual operation is required to remove and unload the bent reinforcement bars after cutting.

Method used

A steel bar bending device is designed, including a casing, a conveying mechanism, a positioning mechanism, a cutting mechanism and a bending mechanism. The bending mechanism realizes multi-stage bending of the steel bars through an inverted U-shaped frame, a rotary lifting mechanism and a lifting and rotating bending disc. The cutting mechanism automatically cuts the steel bars through an electric push rod and a cutting knife, and the cut steel bars automatically slide down into the collection box through the inclined housing design.

Benefits of technology

The continuous multi-stage bending of steel bars and automatic unloading collection are realized, which improves the efficiency and convenience of steel bar processing and reduces the need for manual operation.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222856563U_ABST
    Figure CN222856563U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of steel bar machining, in particular to a steel bar bending device which comprises a machine shell, a conveying mechanism, a positioning mechanism, a cutting mechanism and a bending mechanism, and the conveying mechanism, the positioning mechanism, the cutting mechanism and the bending mechanism are arranged on the machine shell in sequence at intervals. A circular opening is formed in the upper side of the machine shell. The bending mechanism comprises an inverted-U-shaped frame arranged on the bottom wall in the machine shell, a rotary lifting mechanism arranged on the inverted-U-shaped frame and a lifting rotary bending disc arranged on the rotary lifting mechanism and in sliding fit with the inner wall of the circular opening. According to the device, multi-section bending can be conveniently conducted on the reinforcing steel bars, and the bent and cut reinforcing steel bars can be automatically discharged and collected conveniently.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of steel bar processing, in particular to a steel bar bending device. Background Art

[0002] The rebar bending machine is one of the most common rebar processing machines. The working mechanism of the rebar bending machine is a horizontal working disc rotating on a vertical axis. Under the rotation of the working disc, the rebar is bent through the combined action of the fixed column and the rotating shaft.

[0003] However, when the existing steel bar bending machine bends the steel bar in multiple sections, the bent steel bar needs to be removed from the turntable and put back on the disc to bend the steel bar at another location, which causes inconvenience to the multi-section bending of the steel bar; and after the bending is completed, the bent and cut steel bar needs to be manually removed from the machine casing, which causes inconvenience to the unloading work after the steel bar is bent. Therefore, a steel bar bending device is proposed to solve the above-mentioned shortcomings. Utility Model Content

[0004] The utility model aims to provide a steel bar bending device, which is used to solve the problems of inconvenience in bending the steel bars in multiple sections and inconvenience in unloading during the current steel bar bending process.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a steel bar bending device, comprising a casing, a conveying mechanism, a positioning mechanism, a cutting mechanism, and a bending mechanism which are arranged on the casing and arranged in sequence, the upper surface of the casing is inclined; a circular opening is provided on the upper side of the casing; the bending mechanism comprises an inverted U-shaped frame arranged on the inner bottom wall of the casing, a rotating lifting mechanism arranged on the inverted U-shaped frame, and a lifting and rotating bending disk which is arranged on the rotating lifting mechanism and slides with the inner wall of the circular opening.

[0006] Furthermore, the lifting, rotating and bending plate includes a lifting platform, two limit columns arranged on the upper side of the lifting platform and spaced apart, an annular turntable rotatably engaged with the outer wall of the lifting platform, and a bending column arranged on the upper side of the annular turntable.

[0007] Furthermore, the rotary lifting mechanism includes a fixed ring arranged on the upper side of the inverted U-shaped frame, a first pulley rotatably connected to the outer wall of the fixed ring, two telescopic rods arranged on the upper side of the first pulley and arranged at intervals, a first motor arranged on one side of the inverted U-shaped frame, a second pulley connected to the output shaft of the first motor, belts arranged on the first pulley and the second pulley, and a first electric push rod arranged on the inner top wall of the inverted U-shaped frame, the output end of the first electric push rod passes through the fixed ring and is connected to the lower side of the lifting platform, and one end of the two telescopic rods are connected to the lower side of the annular turntable.

[0008] Furthermore, a cutting opening is provided on the upper side of the casing; the cutting mechanism includes two second electric push rods arranged on the inner top wall of the casing and arranged at intervals, an L-shaped plate connected to one end of the two second electric push rods and located above the casing, a second motor arranged on one side of the L-shaped plate, a cutting knife connected to the output shaft of the second motor, and a waste collection assembly arranged in the casing, the cutting opening is arranged below the cutting knife, and the waste collection device is correspondingly arranged below the cutting opening.

[0009] Furthermore, the waste collection assembly includes a waste box placed on the inner bottom wall of the casing, a material guide cylinder arranged on the inner top wall of the casing and corresponding to the cutting opening, and the material guide cylinder acts on the waste box.

[0010] Furthermore, a door panel is provided on one side of the casing close to the waste box.

[0011] Furthermore, the positioning mechanism includes a positioning block arranged on the upper side of the housing and an inverted U-shaped positioning groove arranged on the lower side of the positioning block.

[0012] Furthermore, the conveying mechanism includes two rollers rotatably connected to the upper side of the casing and arranged at intervals, and a driving motor arranged on the top wall of the casing, and the output shaft of the driving motor is connected to one roller.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] The utility model has the following beneficial effects:

[0015] When bending the steel bars, the conveying mechanism conveys the steel bars to be bent to the casing of the device and passes through the positioning mechanism, and then the bent end of the steel bar moves to the lifting and rotating bending disk, and the lifting and rotating bending disk is driven by the rotating lifting mechanism to bend the steel bar. After bending, the rotating lifting mechanism drives the lifting and rotating bending disk to descend into the casing to continue conveying the steel bars. After conveying to another part of the steel bar that needs to be bent, the rotating lifting mechanism drives the lifting and rotating bending disk to rise, and the lifting and rotating bending disk moves into the circular opening, and the lifting and rotating bending disk is driven by the rotating lifting mechanism to continue bending the other part of the steel bar. After bending, the rotating lifting mechanism drives the lifting and rotating bending disk to descend, and the cutting mechanism cuts the steel bars, and is arranged obliquely on the upper side of the casing. The cut bent steel bars slide into a collection box placed on one side of the casing, so that the device is convenient for bending the steel bars in multiple sections and for automatically unloading and collecting the bent and cut steel bars. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a cross-sectional schematic diagram of the steel bar bending device of the utility model;

[0017] Figure 2 It is a partial cross-sectional schematic diagram of the rotary lifting mechanism of the utility model;

[0018] Figure 3 It is a cross-sectional schematic diagram of the cutting mechanism of the utility model;

[0019] Figure 4 It is a top view schematic diagram of the steel bar bending device of the utility model;

[0020] Figure 5 This is a schematic diagram of the positioning block structure of the utility model;

[0021] Figure 6 This is a system control block diagram of the utility model.

[0022] In the figure: 1. casing; 2. cutting mechanism; 3. bending mechanism; 4. inverted U-shaped frame; 5. rotating lifting mechanism; 6. lifting platform; 7. annular turntable; 8. bending column; 9. limiting column; 10. circular opening; 11. first electric push rod; 12. fixing ring; 13. first pulley; 14. telescopic rod; 15. first motor; 16. second pulley; 17. belt; 18. cutting opening; 19. second electric push rod; 20. L-shaped plate; 21. second motor; 22. cutting knife; 23. guide barrel; 24. waste box; 25. door panel; 26. positioning block; 27. inverted U-shaped positioning groove; 28. conveying mechanism. DETAILED DESCRIPTION

[0023] See also Figure 1-6 A steel bar bending device comprises a housing 1, a conveying mechanism 28, a positioning mechanism, a cutting mechanism 2, and a bending mechanism 3 which are arranged on the housing 1 and arranged in sequence. The upper surface of the housing 1 is inclined; a circular opening 10 is provided on the upper side of the housing 1; the bending mechanism 3 comprises an inverted U-shaped frame 4 arranged on the inner bottom wall of the housing 1, a rotating lifting mechanism 5 arranged on the inverted U-shaped frame 4, and a lifting and rotating bending disk which is arranged on the rotating lifting mechanism 5 and slidably cooperates with the inner wall of the circular opening 10; when bending the steel bar, the conveying mechanism 28 conveys the steel bar to be bent to the housing 1 of the device, passes through the positioning mechanism, and then the bent end of the steel bar moves to the lifting and rotating bending disk, and the lifting and rotating bending disk is driven by the rotating lifting mechanism 5 to move the steel bar Bending. After bending, the rotating lifting mechanism 5 drives the lifting and rotating bending disk to descend into the casing 1, and continues to transport the steel bars. After transporting to another part of the steel bar that needs to be bent, the rotating lifting mechanism 5 drives the lifting and rotating bending disk to rise, and the lifting and rotating bending disk moves to the circular opening 10, and the lifting and rotating bending disk is driven by the rotating lifting mechanism 5 to continue bending the other part of the steel bar. After bending, the rotating lifting mechanism 5 drives the lifting and rotating bending disk to descend, and the cutting mechanism 2 cuts the steel bars. The upper side of the casing 1 is tilted and arranged, and the bent steel bars after cutting slide into the collection box placed on one side of the casing 1, so that the device is convenient for bending the steel bars in multiple sections, and is convenient for automatically unloading and collecting the steel bars after bending and cutting.

[0024] The lifting and rotating bending plate includes a lifting platform 6, two limit columns 9 welded to the upper side of the lifting platform 6 and arranged at intervals, an annular turntable 7 rotatably fitted on the outer wall of the lifting platform 6, and a bending column 8 welded to the upper side of the annular turntable 7; the inner wall of the annular turntable 7 is provided with a first annular slide groove, and two first sliding blocks connected to the outer wall of the lifting platform 6 are slidably fitted in the first annular slide groove; the lifting platform 6 and the annular turntable 7 are inclined in the same direction as the upper surface of the casing 1; the steel bar bending section is transported between the two limit columns 9, and when the annular turntable 7 rotates, the bending column 8 bends the steel bar.

[0025] The rotary lifting mechanism 5 includes a fixed ring 12 connected to the upper side of the inverted U-shaped frame 4, a first pulley 13 rotatably connected to the outer wall of the fixed ring 12, two telescopic rods 14 installed on the upper side of the first pulley 13 and arranged at intervals, a first motor 15 installed on one side of the inverted U-shaped frame 4, a second pulley 16 connected to the output shaft of the first motor 15, a belt 17 arranged on the first pulley 13 and the second pulley 16, and a first electric push rod 11 arranged on the inner top wall of the inverted U-shaped frame 4. The output end of the first electric push rod 11 passes through the fixed ring 12 and is connected to the lower side of the lifting platform 6. One end of the two telescopic rods 14 are connected to the lower side of the annular turntable 7; the first electric push rod 11 is arranged vertically between the lifting platform 6; the inverted U-shaped frame 4 and the casing 1 Tilt in the same direction; the outer wall of the fixed ring 12 is provided with a second annular groove, and two second sliding blocks connected to the inner wall of the first pulley 13 are slidably matched in the second annular groove; the controller controls the first motor 15 to turn on, the first motor 15 drives the second pulley 16 to rotate, the first pulley 13 is driven to rotate through the belt 17, and the two telescopic rods 14 connected to the first pulley 13 drive the annular turntable 7 to rotate, and when the steel bars are bent and the lifting and rotating bending disk is driven to rise and fall, the controller controls the first electric push rod 11 to turn on, the first electric push rod 11 drives the lifting platform 6 to descend or rise, and the two telescopic rods 14 synchronously realize the telescopic movement, and then the rotating lifting mechanism 5 is used to facilitate the bending of the steel bars and realize the lifting and lowering operation of the lifting and rotating bending disk.

[0026] A cutting opening 18 is provided through the upper side of the casing 1; the cutting mechanism 2 comprises two second electric push rods 19 installed on the inner top wall of the casing 1 and arranged at intervals, an L-shaped plate 20 connected to one end of the two second electric push rods 19 and located above the casing 1, a second motor 21 installed on one side of the L-shaped plate 20, a cutting knife 22 connected to the output shaft of the second motor 21, and a waste collection component arranged in the casing 1, the cutting opening 18 is arranged below the cutting knife 22, and the waste collection device is correspondingly arranged below the cutting opening 18; after the steel bar is bent, the controller controls the two second electric push rods 19 and the second motor 21 to turn on, the two second electric push rods 19 drive the L-shaped plate 20 and the cutting knife 22 to descend, and the second motor 21 drives the cutting knife 22 to rotate to cut the steel bar.

[0027] The waste chip collection assembly includes a waste chip box 24 placed on the inner bottom wall of the casing 1, a material guide tube 23 connected to the inner top wall of the casing 1 and corresponding to the cutting port 18, and the material guide tube 23 acts on the waste chip box 24; the waste chips generated during the cutting process enter the material guide tube 23 through the cutting port 18 and are introduced into the waste chip box 24 for collection, thereby facilitating the collection of waste chips generated during the steel bar cutting process.

[0028] A door panel 25 is provided on one side of the housing 1 close to the waste box 24 ; opening the door panel 25 facilitates taking out the waste box 24 in the housing 1 and cleaning the collected waste.

[0029] The positioning mechanism includes a positioning block 26 disposed on the upper side of the casing 1 and an inverted U-shaped positioning groove 27 disposed on the lower side of the positioning block 26; the steel bar is transported through the inverted U-shaped positioning groove 27 by the conveying equipment to realize the positioning operation of the steel bar.

[0030] The conveying mechanism includes two rollers rotatably connected to the upper side of the casing 1 and arranged at intervals, and a driving motor arranged on the top wall of the casing 1, and the output shaft of the driving motor is connected to a roller; when the steel bar passes between the two rollers, the driving motor drives one roller to rotate, and the two rollers clamp and move the steel bar.

[0031] Working principle: when bending the steel bar, the steel bar passes between the two rollers, and the driving motor drives one roller to rotate. The two rollers clamp and move the steel bar, and the steel bar to be bent is transported to the housing 1 of the device, and passes through the inverted U-shaped positioning groove 27. Then the bent end of the steel bar is transported between the two limit columns 9. The controller controls the first motor 15 to turn on, and the first motor 15 drives the second pulley 16 to rotate. The first pulley 13 is driven to rotate through the belt 17. The two telescopic rods 14 connected to the first pulley 13 drive the annular turntable 7 to rotate. When the annular turntable 7 rotates, the bending column 8 bends the steel bar. After bending, the controller controls the first motor 15 to turn off, and the controller controls the first electric push rod 11 to turn on. The first electric push rod 11 drives the lifting platform 6 to descend, and the two telescopic rods 14 synchronously realize the contraction movement, driving the lifting and rotating bending disk to descend into the housing 1, and continuing to transport the steel bar. After the reinforcing bar needs to be bent to another part, the rotary lifting mechanism 5 drives the lifting and rotating bending disk to rise, and the lifting and rotating bending disk moves into the circular opening 10, and the rotary lifting mechanism 5 drives the lifting and rotating bending disk to continue bending the other part of the reinforcing bar. After the bending is completed, the rotary lifting mechanism 5 drives the lifting and rotating bending disk to descend. After the reinforcing bar is bent, the controller controls the two second electric push rods 19 and the second motor 21 to turn on, and the two second electric push rods 19 drive the L-shaped plate 20 and the cutting knife 22 to descend, and the second motor 21 drives the cutting knife 22 to rotate to cut the reinforcing bar. The waste generated during the cutting process enters the guide barrel 23 through the cutting opening 18, and is introduced into the waste box 24 for collection. Through the inclined arrangement of the upper side of the casing 1, the bent reinforcing bar after cutting slides into the collection box placed on one side of the casing 1, so that the device is convenient for bending the reinforcing bar in multiple sections, and is convenient for automatically unloading and collecting the bent and cut reinforcing bar.

[0032] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A steel bar bending device, comprising a housing (1), a conveying mechanism (28), a positioning mechanism, a cutting mechanism (2), and a bending mechanism (3) which are arranged on the housing (1) and arranged in sequence and at intervals, characterized in that: The upper surface of the casing (1) is inclined; a circular opening (10) is provided on the upper side of the casing (1); the bending mechanism (3) comprises an inverted U-shaped frame (4) arranged on the inner bottom wall of the casing (1), a rotating lifting mechanism (5) arranged on the inverted U-shaped frame (4), and a lifting rotating bending disk arranged on the rotating lifting mechanism (5) and slidably matched with the inner wall of the circular opening (10).

2. A steel bar bending device as claimed in claim 1, characterized in that: The lifting and rotating bending plate comprises a lifting platform (6), two limiting columns (9) arranged on the upper side of the lifting platform (6) and arranged at intervals, an annular turntable (7) rotatably engaged with the outer wall of the lifting platform (6), and a bending column (8) arranged on the upper side of the annular turntable (7).

3. A steel bar bending device as claimed in claim 2, characterized in that: The rotary lifting mechanism (5) comprises a fixed ring (12) arranged on the upper side of the inverted U-shaped frame (4), a first pulley (13) rotatably connected to the outer wall of the fixed ring (12), two telescopic rods (14) arranged on the upper side of the first pulley (13) and arranged at intervals, a first motor (15) arranged on one side of the inverted U-shaped frame (4), a second pulley (16) connected to the output shaft of the first motor (15), a belt (17) arranged on the first pulley (13) and the second pulley (16), and a first electric push rod (11) arranged on the inner top wall of the inverted U-shaped frame (4), the output end of the first electric push rod (11) passing through the fixed ring (12) and connected to the lower side of the lifting platform (6), and one end of each of the two telescopic rods (14) is connected to the lower side of the annular turntable (7).

4. A steel bar bending device as claimed in claim 1, characterized in that: The upper side of the housing (1) is provided with a cutting opening (18); the cutting mechanism (2) comprises two second electric push rods (19) arranged on the top wall inside the housing (1) and arranged at intervals, an L-shaped plate (20) connected to one end of the two second electric push rods (19) and located above the housing (1), a second motor (21) arranged on one side of the L-shaped plate (20), a cutting knife (22) connected to the output shaft of the second motor (21), and a waste collection component arranged in the housing (1), the cutting opening (18) being arranged below the cutting knife (22), and the waste collection component being arranged correspondingly below the cutting opening (18).

5. A steel bar bending device as claimed in claim 4, characterized in that: The waste collection assembly comprises a waste box (24) placed on the inner bottom wall of the housing (1), a material guide cylinder (23) provided on the inner top wall of the housing (1) and corresponding to the cutting opening (18), and the material guide cylinder (23) acts on the waste box (24).

6. A steel bar bending device as claimed in claim 5, characterized in that: A door panel (25) is provided on one side of the housing (1) close to the waste box (24).

7. A steel bar bending device as claimed in claim 1, characterized in that: The positioning mechanism comprises a positioning block (26) provided on the upper side of the housing (1) and an inverted U-shaped positioning groove (27) provided on the lower side of the positioning block (26).

8. A steel bar bending device as claimed in claim 1, characterized in that: The conveying mechanism (28) comprises two rollers rotatably connected to the upper side of the casing (1) and arranged at intervals, and a driving motor arranged on the inner top wall of the casing (1), wherein the output shaft of the driving motor is connected to one of the rollers.